Hi,
For those on the Win10 Insiders list: sorry for the duplicate.
A new Insider preview build is now available for fast ring fliers: build
10576 is mostly a minor bug fix build which introduces small changes.
The blog post about this build can be found at:
http://blogs.windows.com/windowsexperience/2015/10/29/announcing-windows-10-
insider-preview-build-10576/
Cheers,
Joseph